<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=684671
-->
<head>
  <title>Test for Bug 684671</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=684671">Mozilla Bug 684671</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 684671 **/
function f() {}
document.onreadystatechange = f;
is(document.onreadystatechange, f,
   "Document onreadystatechange should be settable");

window.onreadystatechange = f;
is(window.onreadystatechange, f,
   "Window onreadystatechange should be settable");

document.documentElement.onreadystatechange = f;
is(document.documentElement.onreadystatechange, f,
   "Element onreadystatechange should be settable");

var canSetReadyStateChange;
try {
  XMLDocument.prototype.onreadystatechange = null;
  canSetReadyStateChange = true;
} catch (e) {
  canSetReadyStateChange = false;
}
ok(canSetReadyStateChange, "This may break web pages");
</script>
</pre>
</body>
</html>
